Improvement in pianos



initetl $121125 peut com.

CHRISTIAN KURTZMANN, OF' BUFFALO, NEW-YORK.

Letters Patent No. 103,345, dated May 24, 1870.

IMPRQVEMENT IN PIANos.

The Schedule referred te in these Letters Patent and making part of thesame,

To all whom it may concern Bel it known that I, CHRISTIAN KURTZMANN. ofthe city of Buffalo, county of Erie and State of New York, have inventeda certain newl `and useful Improvement in Pianos; and I do herebyticolare that the following is a full, clear, and exact descriptionthereof, reference being had to the accompanying drawings making a partof this specification, in

which- Figure I is a transverse vertical section. Figure II is atoprplau view.

The nature of this-invention consists in the peculiar' constructionandappl'ication of the agralie or bridgeplate of a'piano, by which thebearing for the strings is formed r'niotrthe underside of an overhangingcontinuous har, which is part of the 'bridge-plate, and' is located andholds the' strings at a point opposite `to where the hammer strikesthem, the lo'wer end of said agrae or bridge resting on thesounding-board. y

Letters of like name and kind refer to like parts in each of thefigures.

In the accompanying drawings- A represents my niproved'agraiie orbridge-plate,

which is connected to the frame B by screws or se' cured iu anyconvenient manner. f

C represents the strings, and

E'partof a hau'imer, showing its position in relation to the agrade or'bridgeplate `A.

The strings rest upon and bear upwardly against v the extreme edge ofthe bar a', and then pass through horizontal openings iu the main body.fxY to their point .of connection.

the pins y'y, and are attached to pins z con the cleat z'.

vI am aware of the' patent'of Gr. H. Walscainp, July 21,1857,No. 17,838;also ofthe device of Ernst Gabler, rejected January 9, 1867. These I donot claim,

my device being an improvement ou the Same.

Having thus fully described iny invention,

' What l claim as new, anddcsire to secure by Let-4 ters Patent, is v.The metallic bar A, having the ovcrhanging portion a', forming a bridgein combiuationwith tue pins g g,

cleat x, provided with pins yy, and cleat z', having pins z z, t-o whichthe strings are attached, all com' struct-etharrangcd, and operated asset ibrth.

CHRISTIAN KURTZMANN. Witnesses:

FRED. W. SCOTT, B. H. MUnnLE.

lge ofthe

